Fuse-cartridge.



, E. STRNSZKY.

FUSE QARTRiDGE -APPLlc/moie FILED Nov.2x. 1914.

Patented Aug. '24, 1915a inafter set forth in and EMIL STRANSZKY, 0F NEW YORK, N. Y.

FUSE-CARTRIDGE.

Spccication of Letters Patent.

Patented aug. e4, 1915.

Application, nea November 21, .1914. serial No. eresia To all whom 'it may` concern subject of the Emperor of Austria-Hungary, residing at New York, in the county of New York and State of New York, haveinvented I new and useful Improvements in Fuse-Cartridges, of which the following is a specifi# cation. n

This invention relates to-improvements in fuse cartridges and has particular'application to a multiple fuse cartridge.

In carrying out thepresent invention, it is my purpose to provide la multiple fuse lcartridge which may be readily and conveniently slipped into the usual cartridge jaws connected in an electric circuit and wherein the body of the cartridge may be revolved while connected to the jaws so that a new fusible element may be connected inv the circuit in the event of the original fusible element being burnt out.

It is also my purpose to improve and simplify the general construction of multiple fuse cartridges and to provide a Cartridge which may be manufactured and marketed at comparatively small cost,` and which may be applied to the cartridge holding jaws in an electric circuit and removed from such jaws with ease and facility.

IVith the above and other objects in view, the invention consists in the` construction, combination and arrangement of parts herefalling Within the scope of the cIaims. v;.

In the accon'1panyiiiggidiavi/'ing-iA `Figure isa view in side elevation of va multiple 'fuse cartridge .constructed in accordance with the present invention. Fig. 2 is'alongitudinal sectional view therethrough. Fig.

3 is a cross seotionabview on the line 3 3 of Fig. 2. Fig. Liisasimilar viewV on the line 1 1 of Fig. `2. Fig. 1 5 is a cross sectional view on the line 5-5 of Fig.- 2. Fig.

l. 6 is a like view on the-line G-fofFig. 2. 4.5

Referring now' tothe drawing in detail,

-1 designates the body of the cartridge. In.

the present instance, this body is circular in cross section and has the opposite extremities thereof circumferentially reduced as tively and the extremities of each fu'l I f2, 3, .the body being formed of4 porcelain, 50 Be it known Vthat I, EMnl STRANszKY, a

beror other material having insulating properties., Formed in the bodyl and eX- tendin'g longitudinally thereof are passages 1- spaced apart equidistant and arranged in a. circular rowabout the longitudinal axis of v thereof formed with heads v.6 lying against the end of the body, while disposed within the remaining end portions of the respective passages et are fingers 7 having the outer ends thereof disposed upon the end ed? of the end portion 3 of the body. With' '35 the passages 4: are fusible elements 9 resp c/ element are suitably fastened to the i o'r ends of the axially alining pin 5 and finger 7 in the end portions of the particular pas- 70 sage 4. A

In the present instance, the body 1 is formed centrally with a longitudinally eX- tending bore 10 through which is p ssed a core 11 formed of porcelain or other iuitable 75 y insulating material and secured to the end of the core 11 beyond the end portion 2 of the body is a head 124 having` the inner surface thereof in face to face contact with the adjacent end edge of .the body. The head 12 80 is preferably of a diameter substantially equal to the diameter of the adjacent vend portion of the. body and formed in the head 12 and adapted to aline axially with any one of the passages 4 in the body is a passage 85 13 having the inner .end thereof diametrically enlarged as at 14: to receive the head 6 of the pin in the particular alining passage.

yDisposed within the passage 13 is a cur- 90 rent conducting pin 15 having the inner end thereof formed with a head 16 disposed Within the diametrically enlarged portion 14C of the passage 13 and designed to engage the adjacent head 6. Inclcsing the head 12 95.

and the adjacent end portion 2 of the body 1 is a cap 17 having the end wall suitably Secured to the outer end of the pin 15 and the innerl end portion 2 of the fiange or side wall thereoflooselysurrounding the circum-v ferentially reduced portion 2 of the body so that .the latter may be freely revolved about the ogre 11 relatively to the head 12 and ca 1 he remaining end portion of the core 11 projects beyond the end edge of the end portion 3 of the'body'and secured to such projecting end portion of the co're is a head 18 having the inner face thereof confronting the adjacent end of the body and spaced apart therefrom, the" head 18 being of adiameter substantially equal to that lof the reduced portion Aof the body.

' Disposed upon the end edge of the end portion 3 of the body is a metal disk 19, While surrounding the outer endof the core 11 adjacent to the inner surface of the head 18 is a metal disk 20 and interposed between the confronting faces of the disks 19 and 20 is acoiled expansion spring 21. In the present instance, the fingers 7 are stamped from the metal of the disk 19.

Formed on the periphery of the .disk 19 and overyling the circular Wall of the end portion 3 of thev body are metal fingers 22, while formed on" the periphery of the disk 20 aiid'overlying the fingers 22 is a metal sleeve 23. These lingers 22 are preferably of springy material so as.toeifectively engage the sleeve 23.

Inclosing the head 18, sleeve 23 and surrounding the reduced portion of the body 1 is a cap 24 having the side wall thereof connected with the metal sleeve 23 by means of set screws 25. The sleeve 23 and the side Wall of the cap 24 loosely surround-the adjacent end portion of the body l and as the side wall of the cap 17 also loosely surrounds the end portion 2 of the body 1, the body 1 may be revolved laround the core 11 relatively to the caps and heads 12 and 13.

In practice, the side walls of the caps 17 and 24 are set into the respective jaws or clips connected in an electric circuit and the current Hows from the cap 17 through the pin l5 nd head 16,`the head 6 in engagement with the head 16, the pin 5 of said head y6j the fusible element 4, the finger 7 connected to such fusible element, the plate or disk 19, spring 21, disk 20, metal sleeve 23, and the side wall of the cap 24. The metal fingers 22 on the periphery of the disk 19l in engagement. with the sleeve 23 insure the proper flowing of the current irrespective of the spring 21.

When'the particular fuse Wire connected in-the circuit burns out, the body 1 is revolved around the core 11 relatively to the caps 17 and 24 and in thel rotation of the body 1 the head 6 of the pin 5 Within the diametrically enlarged end portion 14 of the passage 13 rides out of such passage against the action of the spring 21, and the next adjacent head 6 drops into the enlarged portion of the pesage 13 when such vhead registers with the passage, thereby placing a new fusible element in the circuit.

It will be noted that the spring 21 performs the dual function of a conductor and holding device whereby the body 1 is held stationary when the head 6 of one of the pins 5 is in engagement With the head 16 on the pin 15.

From the foregoing description taken in connection with the accompanying drawing, the construction, mode of operation and manner of employing my improved multiple fuse cartridge will be readily apparent. It will be seen that I have provided a multiple fuse cartridge wherein the body of the cartridge carrying the fusible elements may be revolved-about its longitudinal axis to place the fusible elements in the circuit successively or 4one after `the other as the same become mutilated, while the body will be maintained stationary as long as the particular fusible element is connected in the circuit, thereby eliminating accidental breaking of the circuit at the fuse. In this instance, the outer end portions of the caps 17 and 24 are non-circular in cross section so that such caps will remain stationary Within the jaws of the cartridge holderin the turning of the body 1 of the cartridge.

The passages 4 preferably open onto the outer surface of the body l so that the fusible elements may be quickly replaced when the same burn out, and the end portions of the passages are closed to the outer surface of the body by means of suitable material.

While I have herein shown and described the preferred form pf my invention by way of illustration, I wish it to be understood that I do not limit or confine myself t0 the precise details of construction herein described and delineated, as modification and variation may be made within the scope of the claims without departing from the spirit of the invention.

I claim:

1. A multiple fuse cartridge comprising a core, heads on the opposite ends of said core, a body rotatably mounted on said core between said heads and having onev end in face to face contact with one of said heads, an electric current carrying pin carried by the head in contact with the body and adapted to be connected to one side of an electric circuit and having the inner end thereof exposed to the adjacent end of said body, fusible elements carried by said body arranged longitudinally thereof and spaced apart around the body, contact heads on the end of said body in engagement with said head and connected to the adjacent ends of said fusible elements respectively and adapted to engage said current carrying pin successively as the body is rotated, means con- I nected with the remaining ends of said fusible elements whereby the latter maybe connected to the other side of the electric circuit, and means interposed between the remaining head and the adjacent end of said body and acting upon the latter to hold the particular contact head in engagement with said current carrying pin, said last-named inra-ns permitting longitudinal movement of the body along the core to 'disengage the particular head from said pin.

if. A multiple fuse cartridge comprising a core, heads on the opposite ends of said core, a body rotatably mounted on said core between said heads and having one end in face to face contact with one of said heads, an electric current carrying pin carried by the head in contact with the body and adapted to be connected to one side of an electric circuit and having the inner end thereof eX- posed to the adjacent end of said body,

fusible elements carried by said body arranged longitudinally thereof and spaced apart around the body, contact heads on the end of said body in engagement with said head and connected to the adjacent ends of said fusible elements respectively and adapted to engage said current carrying pin successively as the body is rotated, means connected with the remaining ends of said fusible elements whereby the latter may be connected to the other side of the electric circuit, and a spring surrounding said core between the remaining cap and the adjacent end of the body and acting upon'the latter tohold the particular contact head in engagement with said current carrying pin, said spring' permitting the body to move longitudinally along the core to disengage said head from said pin.

3. A multiple fuse cartridge comprising a core, heads on the opposite ends of said core, a .body rotatably mountedon said core be;-7 tween said heads and having one end in face to face contact with one of said heads, an

' electric current carrying pin carried by the head in contact with the body and adapted to be connected to one side of an electric circuit and having the inner end thereof eX- posed to the adjacent end of said body, fusible elements carried by said body arranged longitudinally thereof and Ispaced apart around the body, contact heads on the end of said bodyin engagement with said head and connected to the adjacent ends of said fusible elements respectively and adapted to engage said current carrying pin successively as the body is rotated, means connected with the remaining ends of said fusible elements whereby the. lati-cr may be connected to ,the other side of the electric circuit, means interposed between the rcmaining head and the adjacent end of said body and acting upon the latter to hold the particular contact head in engagementwith les said current carrying'pin, said last-named means permitting longitudinal movement of the body along the core to djsengage the particular head from said pin, and caps caryried by said heads respectively and incloS- ing the ends of said body.

4. A multiple fuse cartridge comprising a core, heads on the opposite ends of said core, a body rotatably mounted'on said core between said heads and having one en in face to face contact with oneof said heads, an electric current carrying pin carried by the head in contact with the body and adapted to be connected to one side of an electric circuit and having the inner end thereof exposed to the adjacent end of said body, fusible elements carried by said body arranged longitudinally thereof and spaced' i apart around the body, contact heads on the end of said body in engagement With said.

head and connected to the adjacent ends 0f said fusible elements respectively and adapted to engage said current carrying pin successively as the body is rotated,v a metal disk disposed concentricallv of said core and in engagement with the remaining end of said body, lingers formed integral with said disk and connected with the remaining ends of said fusible elements respectively. a second set of lingers formed on said disk and disposed upon the outer side of the adjacent end portion of the body and adapted to be connected to the other side of the electric circuit, and means interposed .between the remaining head and the adjacent end portion of said body and acting to hold the particular contact head in engagement with said current carrying pin.

. 5. A multiple fuse cartridge comprising a' core, heads on the opposite ends of said core, a body rotatably mountedon said core between said heads and having one end in face to face contact with one of said heads, an electric current carrying pin car-ried by the vhead in contact with the body and adapted to be connected to one side of an electric circuit and having the inner end thereof exposed to the adjacent end of said body, fusible elements carried by said body arranged longitudinally thereof and spaced apart around the body, contact heads on the end of saidbody in engagement with said head and connected to the adjacent ends of said fusible elements respectively and adapted to engage said current carrying pin snccessively asthe body is rotated. a metal disk disposed concentrically of said core and in engagement with the. remaining end of said body, iingers formed integral with said disk and. connected with the remaining ends of said fusible elements respectively. a second set of fingers forme-d on said disk and disposed upon end portion of the body and adapted to be connected to the other side of the electric the outer side of the adjacent` Vpin carrying head and inclosing the latter circuit, means interposed between the reinelosing said last-mentioned means and the maining heed and the adjacent end\ option lastenemed ngers.

of seid bedy and acting to hold the particw .In testimony whereof I affix my signahu' Contact head in engagement with Smid ture in presence of two Witnesses.

current carrying pin, a cap secured to the W EMIL STRANSZKY.

Ltnesses:

, JOHN J. MCCARTHY,

and the adjacent end portion of the body,

RENNEN` S. JONES.

and a cap Carried by the remaining head` and logies o'tmepatem may be obtained for vej cents each, by Anddrening' the Commissioner ot Patents,

' 'Wlhingtoxn D. 0. 

